Question

Find the product by using suitable property (-45)×26+(-45)×14​

Answer 1

$( - 45) \times 26 + ( - 45) \times 14 \\ = - 45 \times 26 + ( - 45) \times 14 \\ = - 45 \times 26 - 45 \times 15 \\ = - 45 \times 2(13 + 7) \\ = - 45 \times 2 \times 20 \\ = - 1800$

Steps:

• Multiplying a negative and a positive equals a negative: (-)×(+)=(-)
• Factor the expression
• Add the numbers
• Calculate the product